Technical Staff Blog

Archives 2018

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FastX continues to be unreliable for most users. Even after a cold reboot of the entire cluster last Friday, most connections are getting rejected, seemingly nondeterministically and accompanied by any one of a few recurring error messages.

We still don't know the underlying cause and have contacted StarNet to see if they have any ...

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Users have reported an unusual volume and variety of FastX problems over the last couple of days. So far we have been unable to determine the precise cause, or narrow the problems down to any particular host in the cluster. Therefore, as part of our ongoing attempt to diagnose and fix the problems, we are ...

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A number of services were intermittently unavailable today.  These include VPN, the list server and the website.  The cause of the problems is not yet known and we continue to investigate.  There remain lingering problems - intermittent authentication failures on the website in particular - and we have posted a notice on the system status page.

Last update on .

All critical CS Department services have been restored. An interruption in external services resulted in a cascading DNS failure and overall service instability, starting mid-morning on Thursday of this week.  After repeated efforts to diagnose and workaround the issue, we reached out to CIS who stuck with us throughout today to diagnose. Ultimately, we were ...

Last update on .

The CS SSH Gateway, ssh.cs.brown.edu, has been updated to include generation of kerberos credentials. 

Impact to users: Users can continue to connect to the ssh gateway using existing ssh key pairs. Upon initial connection to the updated gateway you will be prompted to enter your Brown University password to generate your kerberos ...

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CIS will be performing planned network maintenance at the CIT on Wednesday, 8/22, from 6:00 AM to 8:00 AM.

During this time, wired and wireless network connectivity may experience brief interruptions while maintenance is performed.

Thanks for your patience during these planned outages as our network infrastructure is upgraded and expanded. 

Last update on .

CIS will be performing planned network maintenance at the CIT on the following dates & times:

On Tuesday, 8/14, from 6:00 AM to 8:00 AM & 
On Wednesday, 8/15, from 7:00 AM to 8:00 AM.

During the above times, wired and wireless network connectivity may experience brief interruptions while ...

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CIS is upgrading the switch hardware on the 2nd floor of CIT on Thursday, August 9. The maintenance is scheduled from 6:00 am to 8:00 am, during this time network connectivity will be unavailable on the 2nd floor of the CIT Building. Phone and wireless connectivity on the 2nd floor may also experience ...

Last update on .

CIS is peforming power & network maintenance between 0700-0800 on Thursday, August 2nd 2018.  During this time, wired, wireless network connectivity and potential phone usage may experience a brief outage lasting less than 5 minutes on the 1st and 2nd floors of the CIT Building.

Services in the Sun Lab will be unavailable during the ...

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